gate PR ready on clean agent-driven review rounds (#10157)

* feat(ci): gate PR ready on clean review rounds driven from draft

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(ci): robust review-round wait loop, require codex evidence for marker skip

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(ci): require pre-marker codex evidence, fail open on marker fetch errors

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
hugocasa
2026-07-16 17:23:24 +02:00
committed by GitHub
co-authored by Claude Fable 5
parent 0e547adf23
commit 4e63ca2cd4
6 changed files with 281 additions and 2 deletions
+33
View File
@@ -82,6 +82,7 @@ jobs:
EVENT_BODY: ${{ github.event.pull_request.body }}
EVENT_FORK: ${{ github.event.pull_request.head.repo.fork }}
EVENT_AUTHOR: ${{ github.event.pull_request.user.login }}
EVENT_ACTION: ${{ github.event.action }}
run: |
if [ -n "$INPUT_PR_NUMBER" ]; then
PR_JSON=$(gh pr view "$INPUT_PR_NUMBER" --repo "${{ github.repository }}" \
@@ -113,6 +114,38 @@ jobs:
echo "skip=true" >> "$GITHUB_OUTPUT"
exit 0
fi
# An agent-driven PR flips to ready only after a clean /review round on
# a draft, marked by an author comment naming the head SHA (pr skill,
# "Review rounds"). Re-reviewing that same head on ready_for_review is
# redundant. The marker alone is author attestation, so also require
# reviewer evidence: a Codex review (posted by github-actions[bot], not
# forgeable by the author) that predates the marker and carries a
# non-blocking verdict. Comment-triggered and synchronize runs never
# skip. Keep the three copies of this check in sync (pr-ready-review /
# codex-pr-review / pi-pr-review); a shared local action would need the
# repo checked out before the check, which the fork paths here
# deliberately avoid.
if [ "$EVENT_ACTION" = "ready_for_review" ] && [ -z "$INPUT_PR_NUMBER" ]; then
# Fetch failures fail open (no skip): an API hiccup must run the
# review, never skip it or fail the job.
COMMENTS=$(gh api "repos/${{ github.repository }}/issues/$PR_NUMBER/comments?per_page=100" --paginate | jq -s '[.[][]]') || COMMENTS='[]'
MARKER_TIME=$(jq -r --arg author "$PR_AUTHOR" --arg marker "✅ Review round clean @ $HEAD_SHA" \
'[.[] | select(.user.login == $author) | select(.body | contains($marker)) | .created_at] | min // empty' <<<"$COMMENTS")
CODEX_VERDICT=''
if [ -n "$MARKER_TIME" ]; then
# Only Codex evidence that predates the marker counts: the ready-
# triggered Codex run itself posts after the flip and must not
# vouch for a sibling reviewer's skip.
CODEX_VERDICT=$(jq -r --arg mt "$MARKER_TIME" \
'[.[] | select(.user.login == "github-actions[bot]") | select(.body | contains("## Codex Review")) | select(.created_at < $mt)] | last | .body // ""' <<<"$COMMENTS" \
| grep -m1 -oE '(Good to merge|Mergeable, but should ideally address nits|Should address issues before merging)' || true)
fi
if [ -n "$MARKER_TIME" ] && [ -n "$CODEX_VERDICT" ] && [ "$CODEX_VERDICT" != "Should address issues before merging" ]; then
echo "Clean review round marker found for $HEAD_SHA with pre-marker non-blocking Codex verdict; skipping redundant review."
echo "skip=true" >> "$GITHUB_OUTPUT"
exit 0
fi
fi
# PR title/body are attacker-controlled free text. Use an unguessable
# per-run delimiter so a fork can't embed a fixed heredoc terminator to
# inject extra outputs — e.g. is_fork=false (last-write-wins), which